/* tags */

body {
    font-family: Helvetica, sans-serif;
}

code {
    font-size: x-large;
    font-weight: bold;
}

iframe, img {
    border: 0;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

pre {
    font-size: larger;
}

table, th, td {
    border: 1px solid #000000;
    border-collapse: collapse;
    padding: 5px;
}

th {
    background-color: #000053;
    color: #ffffff;
}

/* classes */

.content {
    margin-left: auto;
    margin-right: auto;
    width: 75%;
}

.footer {
    background-color: #000053;
    text-align: center;
}

.footer p {
    color: #ffffff;
    padding: 10px;
}

.grid {
    display: grid;
    grid-template-columns: auto auto;
}

.grid-item {
    align-content: center;
    border: 1px solid #000053;
    padding: 10px;
}

.header {
    text-align: center;
}

.menu {
    background-color: #000053;
    padding: 10px;
    text-align: center;
}

.menu a {
    color: #ffffff;
    float: center;
    padding: 10px;
    text-decoration: none;
}

.menu a:hover {
    text-decoration: underline;
}